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The Airbus Helicopters H145 (formerly Eurocopter EC145) is a twin-engine light utility helicopter developed and manufactured by Airbus Helicopters. Originally designated as the BK 117, the H145 is based upon the MBB/Kawasaki BK 117 C1, which became a part of the combined Eurocopter line-up in 1992 with the merger of Messerschmitt-Bölkow-Blohm's helicopter division of Daimler-Benz into Eurocopter. The helicopter was earlier named EC145; an updated version, EC145 T2, was renamed H145 in 2015. The H145 is a twin-engine aircraft and can carry up to nine passengers along with two crew, depending on customer configuration. The helicopter is marketed for passenger transport, corporate transport, emergency medical services (EMS), search and rescue, parapublic and utility roles. Military variants of the helicopter have also been produced under various designations, such as H145M or UH-72, and have been used for training, logistics, medical evacuation, reconnaissance, light attack, and troop-transport operations. The EC145 was a joint development between Messerschmitt-Bölkow-Blohm, subsequently Eurocopter and Kawasaki Heavy Industries on the basis of their successful prior jointly produced BK 117 C1. Rather than pursuing an entirely clean sheet design, the forward cockpit and modern avionics of Eurocopter's EC 135 were adopted in combination with the proven BK 117's rear section; Flight International described the new helicopter, originally designed as BK 117 C2, as being "90% a combination of these two aircraft [The EC135 and BK 117 C1]". However, there were significant areas of redesign, advantages held by the EC145 over its predecessor include possessing a greater range and payload capacity, a considerably increased and uninterrupted cabin area, reduced vibration and noise emissions, and measures to simplify maintenance and minimise operational costs. The noise signature of the EC145 is reportedly 60% lower than that of the BK 117 C1. The new model was type-certificated as the BK 117 C2; in December 1997, it was selected by the French Defense and Civil Guard for air rescue mission, 31 EC145s were ordered to replace their fleet of ageing Aérospatiale Alouette III in a deal costing $170 million. The first EC145 completed its maiden flight at Donauwörth, Germany, on 12 June 1999; Eurocopter conducted a major publicity event for the emerging type at the US Helicopter Association International Show in February 2000. Safety certification of the EC145 was awarded by the German Luftfahrt-Bundesamt[8] and Japanese Civil Aviation Bureau[citation needed] in December 2000; and by the United States Federal Aviation Administration (FAA) in January 2002. The EC145 features a larger cabin space than the older BK 117 C1 helicopter with internal space increased by 46 cm (18 in) in length and 13 cm (5 in) in width, increasing cabin volume by 1.0 m3 (35 cu ft) to 6.0 m3 (210 cu ft). Other improvements over the BK 117 include an increased maximum take-off weight and greater range, achieved partially by the adoption of composite rotor blades, which were derived from the smaller EC135. The EC145 has a hingeless rotor system with a monolithic titanium hub; the helicopter was originally powered by a pair of Turboméca Arriel 1E2 turboshaft engines, later aircraft are powered by the upgraded Turboméca Arriel 2E engine. A key feature of the rotorcraft is the variable rotorspeed and torque matching system (VARTOMS), derived from the BK 117, which Eurocopter has attributed as making the EC145 "the quietest helicopter in its class". The EC145 is fitted with an all-glass cockpit, consists of a Thales Avionics MEGHAS Flight Control Display System with active matrix liquid crystal displays (LCDs); it can be piloted by either one or two pilots. A number of systems are independently redundant, including the autopilot system, hydraulic boost, transmission lubrication, and some of the onboard sensors. The EC145 T2 features additional and newer avionics systems, such as a full 4-axis autopilot and dual-channel Full Authority Digital Engine Control (FADEC); three large LCD primary displays were also introduced to control these systems. The type is fully capable of Category A operations; in November 2008, an EC145 performed the first medical transport flights under instrument flight rules (IFR) in Europe; the type is able to fly entirely under GPS navigation from takeoff to final approach when required. The EC145 is also the first civil helicopter to be fitted with night vision-compatible cockpit instrumentation and lighting straight off the production line. Typical cabin arrangements allows for eight passengers in a club seating configuration, or nine passengers in a high density seating configuration, passenger seating is designed for quick rearrangement based upon current demands. The cabin can be accessed either through sliding doors in either side of the aircraft or via large clamshell doors at the rear of the cabin; in combination with the high mounted tail boom, the clamshell doors are designed to provide safe clearance for loading and unloading activities even while the rotors are turning. In an EMS/casualty evacuation arrangement, the EC145 can carry up to two stretchered patients with three accompanying medical staff. The helicopter can be fitted with emergency floats, rescue hoist, search light, load hook and specialist equipment for other operational requirements. For more details of development and design, operational history and variants, click here.

The Luscombe Phantom was a 1930s American two-seat cabin monoplane and the first product of the Luscombe Aircraft Engineering Company. Donald A. Luscombe formed the Luscombe Aircraft Engineering Company in 1933 at Kansas City, Missouri. The Phantom or Model 1 was the first aircraft built by the company, and first flew in 1934. It was a high-wing braced monoplane with conventional fixed tail-wheel landing gear, and was powered by a nose-mounted 145 hp (108 kW) Warner Super Scarab radial engine. The fully enclosed engine cowling, with individual air vents for each cylinder, was unusual for a US radial engine light aircraft. Apart from the fabric wing surfaces, the aircraft was all-metal, and had a luxury interior with two side-by-side seats in an enclosed cabin. All compound curves were formed by one employee, Nick Nordyke. As a luxury aircraft, it failed to sell in the economical climate of 1930s America, and the company went on to develop cheaper and simpler aircraft.

The e-Go Aeroplanes e-Go, originally known as the E-Plane, is a British ultralight and light-sport aircraft that was designed by Giotto Castelli, that was being developed by e-Go Aeroplanes of Cambridge and since May 2017, by GioCAS Aeronautical Consultancy, also located in Cambridge. The aircraft won the Light Aircraft Association's design competition in 2007. It was first flown on 24 October 2013, with the first public flight-test and demonstration on 30 October 2013.[ The aircraft was initially to be supplied as a complete ready-to-fly-aircraft. Production plans for the design were suspended and staff laid off in November 2016 as e-Go Aeroplanes was unable to raise capital in the wake of the British Brexit vote. The aircraft program was acquired by the designer, Castelli, in May 2017, with the aim of bringing it to production. Status is listed as awaiting construction. The aircraft was designed to comply with the United Kingdom single-seat deregulated microlight class, as well as to comply with the Fédération Aéronautique Internationale microlight rules. The aircraft cruise speed is planned to be modified for US light-sport aircraft rules. It features a cantilever mid wing, a canard foreplane, a single-seat enclosed cockpit, fixed tricycle landing gear and a pusher engine and propeller. This follows the configuration established by the Rutan VariViggen and VariEze. The single engine is a Rotron Wankel engine based on Rotron's RT300 LCR engine which is intended for drones. The aircraft is made from a combination of carbon fibre and foam. Its 8 m (26.2 ft) span wing has an area of 11.5 m2 (124 sq ft). The standard engine will be a 22 kW (30 hp) rotary engine, which is expected to give a cruise speed of 100 kn (185 km/h; 115 mph) on 3.5 L (0.8 imp gal; 0.9 US gal) per 100 km (62 mi). During 2016, e-Go Aeroplanes announced that full production would not proceed without further financial input, "an investment memorandum for a third round of funding was issued and distributed in July this year ... shareholder interest generated was insufficient, coupled with the unsure financial market following Brexit. The Board made the very difficult decision to make all staff positions redundant." In November 2016, e-Go Aeroplanes's operation was mothballed, and "overseen by Chief Operating Officer, Richard Clabon and the General Manager David Boughey". The company website stated that it was still looking for a buyer but the company went into administration in the spring of 2017. In May 2017 the assets of e-Go Aeroplanes were acquired by the aircraft's designer, Giotto Castelli, indicating that he would pursue production under his company, GioCAS Aeronautical Consultancy.

The Consolidated PB4Y-2 Privateer is an American World War II and Korean War era patrol bomber of the United States Navy derived from the Consolidated B-24 Liberator. The Navy had been using B-24s with only minor modifications as the PB4Y-1 Liberator, and along with maritime patrol Liberators used by RAF Coastal Command this type of patrol plane was proven successful. A fully navalised design was desired, and Consolidated developed a dedicated long-range patrol bomber in 1943, designated PB4Y-2 Privateer. In 1951, the type was redesignated P4Y-2 Privateer. A further designation change occurred in September 1962, when the remaining Navy Privateers (all having previously been converted to drone configuration as P4Y-2K) were redesignated QP-4B. The Privateer was externally similar to the Liberator, but the fuselage was longer to accommodate a flight engineer's station, and it had a tall single vertical stabilizer rather than the B-24's twin tail configuration. The Navy wanted a flight engineer crewmember to reduce pilot fatigue on long duration over water patrols. The single vertical tail was adopted from the USAAF's canceled B-24N design (and was slightly taller on the Privateer) because it would increase stability at low to medium altitudes for maritime patrol. The Ford Motor Company, which produced B-24s for the United States Army Air Forces, had earlier built an experimental variant (B-24K) using a single tail. Aircraft handling was improved. The single tail design was used on the B-32 Dominator and PB4Y-2 and was slated for the US Army Air Forces' proposed B-24N production model to be built by Ford, but that order (for several thousand bombers) was canceled on 31 May 1945. Defensive armament on the PB4Y-2 was increased to twelve .50-in (12.7 mm) M2 Browning machine guns in six power-operated turrets (two dorsal, two waist, nose and tail); the B-24's ventral, retractable Sperry ball turret was omitted. Turbosuperchargers were not fitted to the Privateer's engines since maritime patrol missions were not usually flown at high altitude, improving performance and also saving weight. For more details on development and operational history, click here. Variants. YPB4Y-2 prototypes, three built. PB4Y-2 (Specifications below) main production version, 736 built. PB4Y-2B PB4Y-2s equipped to launch ASM-N-2 Bat air-to-surface missiles. Redesignated P4Y-2B in 1951. PB4Y-2M PB4Y-2s converted for weather reconnaissance. Redesignated P4Y-2M in 1951. PB4Y-2S PB4Y-2s equipped with anti-submarine radar. Redesignated P4Y-2S in 1951. PB4Y-2G PB4Y-2s converted for air-sea rescue and weather reconnaissance duties with the U.S. Coast Guard. Redesignated P4Y-2G in 1951. PB4Y-2K PB4Y-2s converted to target drones. Redesignated P4Y-2K in 1951 and QP-4B in 1962.

The Short Shetland was a British high-speed, long-range, four-engined flying boat built by Short Brothers at Rochester, Kent for use in the Second World War. It was designed to meet an Air Ministry requirement (defined in Specification R.14/40) for a very-long range reconnaissance flying boat. The design used the company's experience with large scale production of the Short Sunderland. The end of World War II prevented the Shetland from entering production. It was the first aircraft designed with a 110 volt electrical system. Specification R.14/40 replaced an earlier specification R.5/39 which was an up-armed revision of specification R.3/38 for a faster flying boat than the Short Sunderland. Shorts, among others, had tendered a design for R.5/39 but the ministry had changed its mind about the need for an immediate replacement for the Sunderland. R.5/39 had considered a maximum weight up to 84,000 lb (38,102 kg) – R.14/40 allowed for a maximum takeoff of nearly 100,000 lb (45,359 kg) with a bomb load of 20,000 lb (9,072 kg). The projected engines were the Bristol Centaurus radial or the Napier Sabre inline. Shorts and the other British manufacturer of big flying boats, Saunders-Roe (Saro), were involved in the competitive tender for R.14/40; Saro proposed the Saunders-Roe S.41. Rather than selecting either company's design, the Air Ministry asked the companies to submit a combined project, stipulating the terms under which the work was to be shared between them. The detailed design was performed by Saro, its experience with the Saro Shrimp contributing to the hull shape, as well as building the wing. Shorts built the hull, tail and the final assembly. Variants Short S.35 Shetland I (Specifications below) The first prototype and what was to be the only Shetland I (Serial Number DX166) first flew on 14 December 1944, piloted by Shorts' chief test pilot John Lankester Parker as captain and Geoffrey Tyson as co-pilot. The aircraft flew without gun turrets (its role having been revised to that of unarmed transport before its maiden flight. It was delivered to the Marine Aircraft Experimental Establishment (MAEE) at Felixstowe in October 1945. Testing indicated satisfactory water handling but the stabilising floats were mounted too low and did not offer sufficient clearance for takeoffs with maximum load. Flight testing revealed problems with the harmonisation of controls and marginal longitudinal stability. Before the trials were complete, the aircraft burnt out at its moorings on 28 January 1946 as a result of a galley fire. Short S.40 Shetland II With the end of the war, the second prototype (Serial Number DX171) was completed as a civil transport and designated Shetland II. It was designed to carry 70 passengers but only 40 seats were fitted. Registered G-AGVD, the Shetland Mk.II's first flight took place on 17 September 1947. After trials, it was delivered to Short's factory at Belfast, but no orders were forthcoming and it performed only limited flight trials before being scrapped in 1951.

The Aerocar Mini-IMP (Independently Made Plane) is a light aircraft designed by Moulton Taylor and marketed for homebuilding by Aerocar International. It is a scaled-down derivative of his original Aerocar IMP design. A two-seat version called the Bullet was also built. The Mini-IMP follows the same unconventional layout as its larger predecessor, with a center mounted engine, long driveshaft to a tail propeller, and inverted-V rudder/elevators. The aircraft is available in the form of plans for amateur construction. Following Taylor's death, the plans and licensing for the Mini-IMP have been marketed by the Mini-IMP Aircraft Company of Weatherford, Texas. The aircraft features a cantilever high-wing, a single-seat enclosed cockpit, fixed or retractable tricycle landing gear or conventional landing gear and a single engine in pusher configuration. The aircraft is made from riveted aluminum sheet. Its 24.5 ft (7.5 m) span wing is mounted well behind the pilot and employs a NASA GA(PC)-1 airfoil. The engine is mounted behind the pilot's seat driving the propeller through an extension shaft. Engines used include the 60 to 100 hp (45 to 75 kW) Volkswagen air-cooled engine four-stroke. Taylor claimed the Mini-IMP was not an original design, but an updated version of the 1912 Edson Fessenden Gallaudet Bullet, a design that was capable of 110 mph in the earliest days of flight. In the late 1970s inquiries were made concerning a military version of the Mini-IMP, skinned with Kevlar, armed with two 7.62-millimeter machine guns, and with room in the baggage compartment for a considerable quantity of ammunition. Nothing came of the proposal.

The Bolkhovitinov DB-A (Dal'niy Bombardirovshchik-Akademiya – long-range bomber, academy) was a heavy bomber aircraft designed and built in the USSR from 1934. Bolkhovitinov became the head of the VVIA design group at the VVA Zhukovsky ( - VVS academy Zhukovsky ) tasked with the design of a replacement for the Tupolev TB-3 heavy bomber. The resulting DB-A was advanced for its day, with stressed skin aluminium alloy construction throughout with clean lines, neatly cowled engines and trousered main undercarriage legs, with fully retracting main-wheels and tail-wheel. The split flaps, undercarriage, nose turret and bomb-bay doors were all operated by a pneumatic system recharged by engine-driven compressors. Flight trials began on 2 May 1935 at Khodinka piloted by N.G. Kastanyev and Ya.N. Moseyev, factory tests were completed by April 1934 and NII testing was carried out in May and June 1935. The excellent performance demonstrated included, sustained flight at an altitude of 2,500 m (8,202 ft) with two engines shut down, and 4,500 km range. A decision was made to fly nonstop from Moscow to the US, and the DB-A was modified to fly, at an overload weight of 34,700 kg (76,500 lb), carry enough fuel to fly 8,440 km (5,244 miles). The red-painted DB-A prototype under command of Sigizmund Levanevsky departed Moscow Shchyelkovo airport on 12 August 1937 on an attempt to fly to Fairbanks, Alaska. After 14 hours, 32 minutes, the crew sent a radio message that one engine had failed and gave a revised ETA for Fairbanks, but nothing further was heard from the DB-A, and the fate of the aircraft and crew remains a mystery. A second aircraft with increased gross weight, improved airframe, re-designed nose and more power was completed and flown in March 1936 as the DB-2A. An order for 16 aircraft was placed late in 1937, with the designation DBA, but only twelve were completed due to the advent of the TB-7/Pe-8. Variants DB-A – The initial prototype aircraft, with M-34RN engines, lost on a nonstop flight Moscow to Fairbanks, Alaska. DB-2A – The second prototype with many detail improvements and M-34RNV engines. DBA – Production aircraft ordered in 1937. Sixteen aircraft ordered, but only twelve completed, with M-34FRN engines plus turbo-chargers, rearwards retracting main undercarriage, gunners cockpits in the rear of the inner engine nacelles, and other modifications. TK-1 TK ( - heavy cruiser) – Projected escort bomber with 11 crew, 3xShVAK + 3,000 rounds, 5xShKAS + 11,000 rounds and underwing rockets.

The Croses EC-6 Criquet ("Locust") is a 1960s French two-seat homebuilt aircraft designed by Emilien Croses. The EC-6 Criquet is a design for a homebuilt aircraft with a tailwheel landing gear, and tandem wing configuration similar to the Mignet Pou-du-Ciel family. It has two side-by-side seats. It first flew in 1965, and seven examples had flown by 1977, with more than 60 known to be under construction. The EC-6 Criquet Léger (Mini Criquet) is an ultralight variant. The LC-6 Criquet is an improved version developed by Gilbert Landray. The LC-10 Criquet was developed by a Mr Millet of Société Co-Plasud who used fibreglass construction throughout the entire aircraft. It was used as a trainer by the Aéro-Club du Maconnais. While considerably more expensive to build than a conventional wooden Criquet, the fibreglass version was also 80 kg (180 lb) heavier. As well as being used for local flying, the Criquet has been flown to both national and international light aircraft rallies. A French owned example visited the 1992 rally at RAF Wroughton airfield near Swindon, Wiltshire, England. Variants EC-6 Criquet (English:cricket) The original version designed by Emilien Croses. EC-6 Criquet Léger An ultralight version. LC-6 Criquet (LC - Landray-Coses) The EC-6 modified and improved by Gilbert Landray. LC-10 Criquet (LC - Laibie-Coses) An all fibre-glass version of the EC-6 built by M. Millet of Société Co-Plasud (president of the Aero-club de l'Aude). A second LC-10 was built by M. Barrière

The Shenyang FC-31 Gyrfalcon (Chinese: 鹘鹰; pinyin: Gǔ yīng), also known as the J-31 or J-35, is a Chinese prototype mid-sized twinjet 5th-generation fighter aircraft developed by Shenyang Aircraft Corporation (SAC). The official nickname published by SAC is "Gyrfalcon", though it has also been referred to as the "F-60" or "J-21 Snowy Owl" (Chinese: 雪鸮) in some media reports, or "Falcon Hawk" by some military enthusiasts. J-XX nomenclatures in the Chinese military are reserved for programs launched and financed by the People's Liberation Army, while the FC-31 plane was developed independently as a private venture by the aircraft manufacturer. While the Chengdu J-20 stealth fighter was officially endorsed by the People's Liberation Army Air Force after Chengdu Aerospace Corporation's proposal won the PLAAF bid for the next-generation jet fighter, Shenyang Aircraft Corporation pressed on and developed a private project aiming to secure potential export customers. A photo of a model labeled F-60 was posted on the Internet in September 2011. In June 2012, photos and phone camera video clips started to emerge on internet regarding a heavily overwrapped fighter plane airframe (widely suspected to be the F-60 prototype) being road-transferred on a highway, earning the nickname "the zongzi plane" (Chinese: 粽子机) among Chinese netizens, though some suspect it of merely being an L-15 trainer aircraft. Pictures of a possibly fully assembled aircraft parking on an airfield emerged on 15 or 16 September 2012. The F-60 is reported to be the export version, where the J-31 would be the domestic Chinese version of the same fighter. Chinese aviation expert Xu Yongling has called the J-31 an export-oriented low-end latest generation warplane. It is very likely that the J-31 will be inducted as a carrier-based naval fighter. In an interview with China's state-run media, FC-31's chief designer Sun Cong expressed that the aircraft would follow his J-15 onto China's aircraft carriers. However, officials from AVIC only said that the aircraft was intended for export as a competitor to the F-35. There has also been reports that the PLAN has urged Shenyang to develop a carrier-compatible version of J-31. In 2015, Jiangsu A-Star Aviation Industries Company marketed its EOTS-86 infra-red search and track as a possible addition to the J-31. An improved prototype, with modifications to the vertical stabilizers, wings, and airframe, an electro-optical targeting system, a larger payload, improvements in stealth, and upgraded electronics, made its maiden flight in December 2016. In November 2018, an Aviation Week article stated that the FC-31 program has received government funding and is being sought after by both the PLANAF and PLAAF, according to official sources. In June 2020, reports surfaced that a third variant of FC-31, albeit a more production-ready version with smoother lines, a bigger radome for a bigger radar, and a closer alignment of control surfaces to reduce the radar signature, had been developed. The "new fighter" has been referred to by some as J-35. On October 29, 2021, the modified carrier-based variant of the FC-31, dubbed J-35 by commentators, made its maiden flight. It is intended to operate from the forthcoming Type 003 aircraft carrier with an electromagnetic catapult system. The naval variant is based on the second prototype of the FC-31, but also includes a catapult launch bar and a folding wing mechanism. For further details, click here.